<template>
  <div>
     <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodlist">
                <el-button slot="append" icon="el-icon-search" @click="getGoodlist"></el-button>
            </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>

        <!-- table表格区 -->
        <el-table :data="goodsList" border stripe>
          <el-table-column type="index"> </el-table-column>
          <el-table-column label="商品名称" prop="goods_name"> </el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="95px"> </el-table-column>
          <el-table-column label="商品重量" prop="goods_weight"  width="70px"> </el-table-column>
          <el-table-column label="创建时间" prop="add_time"  width="140px">
              <template slot-scope="scope">
                {{scope.row.add_time | dateFormat}} 
              </template>
          </el-table-column>
          <el-table-column label="操作"  width="130px">
              <template slot-scope="scope">
                  <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                  <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeByid(scope.row.goods_id)"></el-button>
              </template>
          </el-table-column>
        </el-table>

        <!-- 分页区域 -->
        <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
    name:"List",
data(){
    return{
        //查询参数对象
        queryInfo:{
      query:"",
      pagenum:1,
      pagesize:10
        },
        //商品列表
        goodsList:[],
        //总数据条数
        total:0
    }
},
created(){

  this.getGoodlist()
}, 
 methods:{
     //根据分页获取对应的商品列表
  async getGoodlist(){
   const  {data:res}  = await  this.$http.get("goods",{params:this.queryInfo})
   if(res.meta.status!==200) {
       return this.$message.error("获取商品列表失败")
   }
   this.$message.success("获取商品列表成功！")
    this.goodsList= res.data.goods
    this.total = res.data.total
  },
  handleSizeChange(newSzie){
  this.queryInfo.pagesize= newSzie
this.getGoodlist()
  },
  handleCurrentChange(newPage){
  this.queryInfo.pagenum = newPage
  this.getGoodlist()
  },
  async removeByid(id){
  const confirmResult =  await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
    if(confirmResult!=="confirm"){
        return this.$message.info("已经取消删除")
    }
  const {data:res} = await  this.$http.delete(`goods/${id}`)
  if(res.meta.status!==200){
      return this.$$message.error("删除失败")
  }
  this.$message.success("删除成功")
  this.getGoodlist()
  },
  goAddpage(){
      this.$router.push("/goods/add")
  }
 }
}
</script>

<style>

</style>